【摘 要】
：
Longnan is located in western China with a poor environment,where the agriculture and forestry are far behind other regions.Vegetation coverage,as an important indicator to assess the ecosystem owing
【机 构】
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Research School of Arid Environment and Climate Change,Lanzhou University,222 South Tianshui Road,Ga
【出 处】
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IGU2013 International Conference on Water Sustainability in
论文部分内容阅读
Longnan is located in western China with a poor environment,where the agriculture and forestry are far behind other regions.Vegetation coverage,as an important indicator to assess the ecosystem owing to its convenience to reflect the biomass,is used to evaluate ecosystem and study the spatial distribution difference.
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